Without Telematics Communication System: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B119F:13 (CONNECTIVITY MASTER UNIT - US) DETECTION CONDITION AND POSSIBLE CAUSE - WITHOUT TELEMATICS COMMUNICATION SYSTEM

System malfunction location	GPS antenna signal circuit malfunction
Detection condition	The connectivity master unit (CMU) detects a short to power supply or open circuit in the GPS antenna signal circuit.
Fail-safe	Not applicable
Possible cause	GPS antenna connector or terminal malfunction Malfunction in connectivity master unit (CMU) connector or terminal GPS antenna feeder malfunction Short to power supply in GPS antenna signal circuit Open circuit in GPS antenna signal circuit GPS antenna malfunction Connectivity master unit (CMU) malfunction
Courtesy of MAZDA MOTORS CORP.